Erratic Cyclops
Creature — Cyclops Shaman
Trample
Whenever you cast an instant or sorcery spell, Erratic Cyclops gets +X/+0 until end of turn, where X is that spell's converted mana cost.
"The League accepts no responsibility for former members and the damage they may cause." —Maree, Izzet chamberlain
0/8
Illustrated by
Commander 2021#166RareEnglishLegality
Rulings
Oct 5, 2018
If a spell has 
in its mana cost, include the value chosen for that X when determining the mana value of that spell.
Oct 5, 2018
Erratic Cyclops’s triggered ability resolves before the spell that caused it to trigger. It resolves even if that spell is countered.